Reasons Your Fiat 500 Key Fob Won't Work
A key fob for the Fiat 500 allows you to easily open doors and start your vehicle. There are a myriad of reasons the key fob might stop working. It could be due to a dead battery damage to the receiver module, water problems, and interference.
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Dead Coin Battery
The most frequent reason that your 500 key fob will not work is the battery is dead. Modern key fobs have an operating range that is limited and must be within only a few inches from the vehicle to function. If you're far away from your vehicle and press the key fob button the car won't be able to respond, and will display a "Key Fob Not Detected" message in the instrument cluster.
If this happens, replace the coin-cell battery (Part Number CR2032) with a new battery of a reputable brand such as Panasonic Duracell or Energizer. They are available at the local hardware store or online.
After you've replaced the battery of your coin cell You can test it by standing in front of your Fiat 500 and pressing the buttons. The parking lights should flash and the key fob will operate the lock and unlock switch.
If the key fob doesn't function after replacing the battery, it could be damaged by water that blocks it from connecting to the receiver module in your car. Water damage can happen in many ways, such as an easy splash or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture back out. If this doesn't work, your fob may require reprogramming by a professional auto locksmith or by the dealer.
Water Damage
Water damage can happen if you submerge the fob in the ocean, or wash it in a washing machine. Saltwater can be particularly harmful to the circuit board of the fob which causes it to short out and eventually die. It's not the best idea to get the fob wet however, but don't give it up if you accidentally drop it in water, or fail to take it out of your pocket.
Take the battery off first. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Test the fob afterward to see if it is functioning. If the fob doesn't work, it may have to be changed. This is usually done by a professional or dealer auto locksmith.
If the key is a newer model and was not programmed to your car It will most likely need to be replaced completely. A professional locksmith in the automotive industry can do this job. The locksmith will require the key to be cut to match your vehicle's ignition. The locksmith also needs to reprogram your fob in the car's system. This is an affordable and quick process that can be completed within the same day.
Receiver Module Issues
One of the most common reasons why your 500 key fob might stop working is that it's simply out of range. The remote typically has 30 feet of range or less and if it's far from your vehicle, it will not respond to your commands. It's easy to remedy this by moving your remote closer to your car until it responds.
If your fob isn't working after you replace the battery for the coin, also called a "button", "watch" or "button" or "button", it may be due to a malfunction on the circuit board inside. Reprogramming your fob can resolve this problem. You can find the instructions on how to do this for all automobiles by searching YouTube or reading the owner's manual.
You may have to replace the metal retaining clips that hold the coin battery. If they lose tension it could prevent your coin battery from being properly seated and cause your remote to malfunction.
In rare cases, the fob may become disconnected from your vehicle due to software issues or hardware issues. You can fix this problem by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances they may have to install the software again in your body control module too.
Interference
Interference can also cause the key fob to not receive or transmit signals. This could happen if the key fob is close to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob could not work because of a problem with the buttons, water damage or damage to the internal chips.
If your key fob suddenly stopped working, or you've tried everything at home to solve the issue (e.g. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming it, or using an alternative key fob. The receiver module is located under the dash and receives the radio frequency signals from the key fob. thekeylab transforms the signals into electronic commands, which are then interpreted by the vehicle.
There is a straightforward method to reset the 500's internal system, including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will eliminate any residual electricity and restart the car's computer system, which can help get your key fob working again. If the issue persists it is recommended that you consult a certified technician. They will be able to identify the root cause of your problem.